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| author | Paul B Mahol <onemda@gmail.com> | 2017-02-23 19:45:12 +0100 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2017-02-23 19:45:12 +0100 |
| commit | 45ed942e7e166b288b6f1c262292df6a47295f6a (patch) | |
| tree | 8a99bf930c22c1d8a6a50f2dc904d277d0e5ce0e /libavcodec | |
| parent | 95a5af446bd2180a6597828152a123e4a57662ba (diff) | |
| download | ffmpeg-45ed942e7e166b288b6f1c262292df6a47295f6a.tar.gz | |
avcodec/scpr: improve check for out of range motion vectors
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/scpr.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/scpr.c b/libavcodec/scpr.c index 319057c909..5555d812e8 100644 --- a/libavcodec/scpr.c +++ b/libavcodec/scpr.c @@ -504,7 +504,8 @@ static int decompress_p(AVCodecContext *avctx, mvx -= 256; mvy -= 256; - if (by + mvy + sy1 < 0 || bx + mvx + sx1 < 0) + if (by + mvy + sy1 < 0 || bx + mvx + sx1 < 0 || + by + mvy + sy1 >= avctx->height || bx + mvx + sx1 >= avctx->width) return AVERROR_INVALIDDATA; for (i = 0; i < sy2 - sy1 && (by + sy1 + i) < avctx->height; i++) { |